// interface | type

// 不如 类型推倒
/**
 * : {
  name: string;
  age: number;
  address: string;
  height?: number;
}
 * 
*/
let info = {
  name: "lyy",
  age: 12,
  address: "河南省",
  height: 22,
};

console.log(info.address);
console.log(info.height);

export {};
